
export default () => {
  // 返回一个带有如下数据格式的promise，例如可以时request封装的api
  return Promise.resolve([
    { value: 1048, name: 'Search Engine' },
    { value: 735, name: 'Direct' },
    { value: 580, name: 'Email' },
    { value: 484, name: 'Union Ads' },
    { value: 300, name: 'Video Ads' }
  ])
}
